code: def test_list_set_item(self):
      # Test PyList_SET_ITEM()
      set_item = _testcapi.list_set_item
      lst = [1, 2, 3]
      set_item(lst, 1, 10)
      set_item(lst, 2, [1, 2, 3])
      self.assertEqual(lst, [1, 10, [1, 2, 3]])
  
imports: import gc
  import weakref
  import unittest
  from test.support import import_helper
  from collections import UserList
label_desc: Use image node_id 9 for calling the CAPITest obj's underlying member method code with example usage: obj.test_list_set_item() without return types